You're probably aware that going too many hours between meals can cause a drop in blood sugar that leads to headaches, fatigue, and difficulty concentrating. While that's true, new research shows that planned periods of Intermittent Fasting (IF) or Intermittent Energy Restriction (IER) can be good for your health. This is not about starving yourself to lose weight. Instead, IER aims to give the digestive system a break from food, which allows the body to cleanse itself. To be truly restorative, IER is matched with a similar break from mental and physical activity
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